Description
Drill Diameter: 5/16" Decimal Equivalent: .3125" Length Of Cut: 3-3/16" Number of Flutes: 2 Overall Length: 4-1/2" Size Type: Fractional Size Geometry/Tool Specs: 118° Point Material: High Speed Steel Finish/Coating: Oxide Finish Shank Type: Straight Shank Includes 12 pieces Oxide Finish - Creates a porous layer that holds cutting oil which provides abrasion reistance and improved chip flow.